Mai Tai #5

1 1/2 oz dark rum
1 1/2 oz white rum
3/4 oz triple sec
1/2 oz orange juice
1/2 oz lemon juice
1/4 oz lime juice
2 oz pineapple juice
1 tsp sugar

Combine all ingredients (sugar to taste) in a hurricane glass filled with ice cubes. Stir well, and serve.